If y + b = m1(x + a) and y + b = m2(x + a) are the equations of the tw – McqOptions

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1.	If y + b = m1(x + a) and y + b = m2(x + a) are the equations of the two tangents to the parabola y2 = 4ax, then
A.	m1m2 = 1
B.	m1m2 = -1
C.	m1 + m2 = 0
D.	m1 + m2 = -1
Answer» C. m1 + m2 = 0

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